/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.metrics;



// Intentionally package private, this is meant to be used with Metrics.java and

// LabeledMetrics.java



import java.io.Serializable;



/** Implementation of {@link Counter} that delegates to the instance for the current context. */

public class DelegatingCounter implements Metric, Counter, Serializable {

  private final MetricName name;



  public DelegatingCounter(MetricName name) {

    this.name = name;

  }



  /** Increment the counter. */

  @Override

  public void inc() {

    inc(1);

  }



  /** Increment the counter by the given amount. */

  @Override

  public void inc(long n) {

    MetricsContainer container = MetricsEnvironment.getCurrentContainer();

    if (container != null) {

      container.getCounter(name).inc(n);

    }

  }



  /* Decrement the counter. */

  @Override

  public void dec() {

    inc(-1);

  }



  /* Decrement the counter by the given amount. */

  @Override

  public void dec(long n) {

    inc(-1 * n);

  }



  @Override

  public MetricName getName() {

    return name;

  }

}